: Right-click gmods.7z and select "Extract to gmods/" .

: Usually found at: C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\addons

is a compressed archive file, likely containing a collection of Garry's Mod (GMod) addons, maps, or assets.

: If you don't have one, download 7-Zip (free) or WinRAR.

: Move the extracted folders (which should contain a lua , models , or materials folder inside them) directly into the addons folder.

Since ".7z" is a high-compression format created by , you will need specific software to open it. What is inside this file?

: Pre-packaged folders designed to be dropped into the game directory. How to open and install "gmods.7z"

: The content should now appear in your spawn menu or game mode list. Technical Details Format : 7z (LZMA/LZMA2 compression).